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<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2007 Sandy McArthur, Jr.</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License"); you may not</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> * use this file except in compliance with the License. You may obtain a copy of</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * the License at</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations under</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> * the License.</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a name="16" href="#16">16</a>  <em class="jxr_comment">/*</em>
<a name="17" href="#17">17</a>  <em class="jxr_comment"> *  Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a name="18" href="#18">18</a>  <em class="jxr_comment"> *  contributor license agreements.  See the NOTICE file distributed with</em>
<a name="19" href="#19">19</a>  <em class="jxr_comment"> *  this work for additional information regarding copyright ownership.</em>
<a name="20" href="#20">20</a>  <em class="jxr_comment"> *  The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a name="21" href="#21">21</a>  <em class="jxr_comment"> *  (the "License"); you may not use this file except in compliance with</em>
<a name="22" href="#22">22</a>  <em class="jxr_comment"> *  the License.  You may obtain a copy of the License at</em>
<a name="23" href="#23">23</a>  <em class="jxr_comment"> *</em>
<a name="24" href="#24">24</a>  <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="25" href="#25">25</a>  <em class="jxr_comment"> *</em>
<a name="26" href="#26">26</a>  <em class="jxr_comment"> *  Unless required by applicable law or agreed to in writing, software</em>
<a name="27" href="#27">27</a>  <em class="jxr_comment"> *  distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="28" href="#28">28</a>  <em class="jxr_comment"> *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="29" href="#29">29</a>  <em class="jxr_comment"> *  See the License for the specific language governing permissions and</em>
<a name="30" href="#30">30</a>  <em class="jxr_comment"> *  limitations under the License.</em>
<a name="31" href="#31">31</a>  <em class="jxr_comment"> */</em>
<a name="32" href="#32">32</a>  
<a name="33" href="#33">33</a>  <strong class="jxr_keyword">package</strong> java.beans;
<a name="34" href="#34">34</a>  
<a name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
<a name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> java.util.Iterator;
<a name="40" href="#40">40</a>  
<a name="41" href="#41">41</a>  <em class="jxr_javadoccomment">/**</em>
<a name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * This is a utility class that can be used by beans that support bound</em>
<a name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * properties.</em>
<a name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> *</em>
<a name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * Note: The emulated version differs from the JDK version in that it is</em>
<a name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> * &lt;em&gt;not&lt;/em&gt; Serializable.</em>
<a name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> * &lt;/p&gt;</em>
<a name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> */</em>
<a name="50" href="#50">50</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../java/beans/PropertyChangeSupport.html">PropertyChangeSupport</a> {
<a name="51" href="#51">51</a>      <em class="jxr_comment">/*</em>
<a name="52" href="#52">52</a>  <em class="jxr_comment">     * This file is based on code from the Apache Harmony Project.</em>
<a name="53" href="#53">53</a>  <em class="jxr_comment">     * <a href="http://svn.apache.org/repos/asf/harmony/enhanced/classlib/trunk/modules/beans/src/main/java/java/beans/PropertyChangeSupport.java" target="alexandria_uri">http://svn.apache.org/repos/asf/harmony/enhanced/classlib/trunk/modules/beans/src/main/java/java/beans/PropertyChangeSupport.java</a></em>
<a name="54" href="#54">54</a>  <em class="jxr_comment">     *</em>
<a name="55" href="#55">55</a>  <em class="jxr_comment">     * This file has been siginificantly modified for the target enviroment of a</em>
<a name="56" href="#56">56</a>  <em class="jxr_comment">     * browser but the Harmony layout and structure has been kept to try to help</em>
<a name="57" href="#57">57</a>  <em class="jxr_comment">     * make future re-syncs easier.</em>
<a name="58" href="#58">58</a>  <em class="jxr_comment">     */</em>
<a name="59" href="#59">59</a>  
<a name="60" href="#60">60</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">transient</strong> Object sourceBean;
<a name="61" href="#61">61</a>  
<a name="62" href="#62">62</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">transient</strong> List<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em> allPropertiesChangeListeners =</em>
<a name="63" href="#63">63</a>              <strong class="jxr_keyword">new</strong> ArrayList<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em>();</em>
<a name="64" href="#64">64</a>  
<a name="65" href="#65">65</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">transient</strong> Map<em class="jxr_comment">/*<em class="jxr_comment">&lt;String, List&lt;PropertyChangeListener&gt;&gt;*/</em></em>
<a name="66" href="#66">66</a>              selectedPropertiesChangeListeners =
<a name="67" href="#67">67</a>              <strong class="jxr_keyword">new</strong> HashMap<em class="jxr_comment">/*<em class="jxr_comment">&lt;String, List&lt;PropertyChangeListener&gt;&gt;*/</em>();</em>
<a name="68" href="#68">68</a>  
<a name="69" href="#69">69</a>      <strong class="jxr_keyword">public</strong> <a href="../../java/beans/PropertyChangeSupport.html">PropertyChangeSupport</a>(<strong class="jxr_keyword">final</strong> Object sourceBean) {
<a name="70" href="#70">70</a>          <strong class="jxr_keyword">if</strong> (sourceBean == <strong class="jxr_keyword">null</strong>) {
<a name="71" href="#71">71</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException();
<a name="72" href="#72">72</a>          }
<a name="73" href="#73">73</a>          <strong class="jxr_keyword">this</strong>.sourceBean = sourceBean;
<a name="74" href="#74">74</a>      }
<a name="75" href="#75">75</a>  
<a name="76" href="#76">76</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> firePropertyChange(<strong class="jxr_keyword">final</strong> String propertyName, <strong class="jxr_keyword">final</strong> Object oldValue,
<a name="77" href="#77">77</a>              <strong class="jxr_keyword">final</strong> Object newValue) {
<a name="78" href="#78">78</a>          <strong class="jxr_keyword">final</strong> <a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a> event = createPropertyChangeEvent(propertyName,
<a name="79" href="#79">79</a>                  oldValue, newValue);
<a name="80" href="#80">80</a>          doFirePropertyChange(event);
<a name="81" href="#81">81</a>      }
<a name="82" href="#82">82</a>  
<a name="83" href="#83">83</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fireIndexedPropertyChange(String propertyName, <strong class="jxr_keyword">int</strong> index,
<a name="84" href="#84">84</a>              Object oldValue, Object newValue) {
<a name="85" href="#85">85</a>  
<a name="86" href="#86">86</a>          <em class="jxr_comment">// nulls and equals check done in doFire...</em>
<a name="87" href="#87">87</a>          doFirePropertyChange(<strong class="jxr_keyword">new</strong> <a href="../../java/beans/IndexedPropertyChangeEvent.html">IndexedPropertyChangeEvent</a>(sourceBean,
<a name="88" href="#88">88</a>                  propertyName, oldValue, newValue, index));
<a name="89" href="#89">89</a>      }
<a name="90" href="#90">90</a>  
<a name="91" href="#91">91</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> removePropertyChangeListener(String propertyName,
<a name="92" href="#92">92</a>              <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a> listener) {
<a name="93" href="#93">93</a>          <strong class="jxr_keyword">if</strong> ((propertyName != <strong class="jxr_keyword">null</strong>) &amp;&amp; (listener != <strong class="jxr_keyword">null</strong>)) {
<a name="94" href="#94">94</a>              List<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em> listeners =</em>
<a name="95" href="#95">95</a>                  (List)selectedPropertiesChangeListeners.get(propertyName);
<a name="96" href="#96">96</a>  
<a name="97" href="#97">97</a>              <strong class="jxr_keyword">if</strong> (listeners != <strong class="jxr_keyword">null</strong>) {
<a name="98" href="#98">98</a>                  listeners.remove(listener);
<a name="99" href="#99">99</a>              }
<a name="100" href="#100">100</a>         }
<a name="101" href="#101">101</a>     }
<a name="102" href="#102">102</a> 
<a name="103" href="#103">103</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> addPropertyChangeListener(String propertyName,
<a name="104" href="#104">104</a>             <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a> listener) {
<a name="105" href="#105">105</a>         <strong class="jxr_keyword">if</strong> ((listener != <strong class="jxr_keyword">null</strong>) &amp;&amp; (propertyName != <strong class="jxr_keyword">null</strong>)) {
<a name="106" href="#106">106</a>             List<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em> listeners =</em>
<a name="107" href="#107">107</a>                 (List)selectedPropertiesChangeListeners.get(propertyName);
<a name="108" href="#108">108</a> 
<a name="109" href="#109">109</a>             <strong class="jxr_keyword">if</strong> (listeners == <strong class="jxr_keyword">null</strong>) {
<a name="110" href="#110">110</a>                 listeners = <strong class="jxr_keyword">new</strong> ArrayList<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em>();</em>
<a name="111" href="#111">111</a>                 selectedPropertiesChangeListeners.put(propertyName, listeners);
<a name="112" href="#112">112</a>             }
<a name="113" href="#113">113</a> 
<a name="114" href="#114">114</a>             <em class="jxr_comment">// RI compatibility</em>
<a name="115" href="#115">115</a>             <strong class="jxr_keyword">if</strong> (listener instanceof PropertyChangeListenerProxy) {
<a name="116" href="#116">116</a>                 <a href="../../java/beans/PropertyChangeListenerProxy.html">PropertyChangeListenerProxy</a> proxy =
<a name="117" href="#117">117</a>                         (<a href="../../java/beans/PropertyChangeListenerProxy.html">PropertyChangeListenerProxy</a>) listener;
<a name="118" href="#118">118</a> 
<a name="119" href="#119">119</a>                 listeners.add(<strong class="jxr_keyword">new</strong> <a href="../../java/beans/PropertyChangeListenerProxy.html">PropertyChangeListenerProxy</a>(
<a name="120" href="#120">120</a>                         proxy.getPropertyName(),
<a name="121" href="#121">121</a>                         (<a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a>) proxy.getListener()));
<a name="122" href="#122">122</a>             } <strong class="jxr_keyword">else</strong> {
<a name="123" href="#123">123</a>                 listeners.add(listener);
<a name="124" href="#124">124</a>             }
<a name="125" href="#125">125</a>         }
<a name="126" href="#126">126</a>     }
<a name="127" href="#127">127</a> 
<a name="128" href="#128">128</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a>[] getPropertyChangeListeners(
<a name="129" href="#129">129</a>             String propertyName) {
<a name="130" href="#130">130</a>         List<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em> listeners = <strong class="jxr_keyword">null</strong>;</em>
<a name="131" href="#131">131</a> 
<a name="132" href="#132">132</a>         <strong class="jxr_keyword">if</strong> (propertyName != <strong class="jxr_keyword">null</strong>) {
<a name="133" href="#133">133</a>             listeners = (List)selectedPropertiesChangeListeners.get(propertyName);
<a name="134" href="#134">134</a>         }
<a name="135" href="#135">135</a> 
<a name="136" href="#136">136</a>         <strong class="jxr_keyword">if</strong> (listeners == <strong class="jxr_keyword">null</strong>) {
<a name="137" href="#137">137</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a>[] {};
<a name="138" href="#138">138</a>         } <strong class="jxr_keyword">else</strong> {
<a name="139" href="#139">139</a>           <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a>[] changeListeners =
<a name="140" href="#140">140</a>               <strong class="jxr_keyword">new</strong> <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a>[listeners.size()];
<a name="141" href="#141">141</a>           Iterator iter = listeners.iterator();
<a name="142" href="#142">142</a>           <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i=0; i &lt; changeListeners.length; i++) {
<a name="143" href="#143">143</a>               changeListeners[i] = (PropertyChangeListener)iter.next();
<a name="144" href="#144">144</a>           }
<a name="145" href="#145">145</a>           <strong class="jxr_keyword">return</strong> changeListeners;
<a name="146" href="#146">146</a>         }
<a name="147" href="#147">147</a>     }
<a name="148" href="#148">148</a> 
<a name="149" href="#149">149</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> firePropertyChange(String propertyName, <strong class="jxr_keyword">boolean</strong> oldValue,
<a name="150" href="#150">150</a>             <strong class="jxr_keyword">boolean</strong> newValue) {
<a name="151" href="#151">151</a>         <a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a> event = createPropertyChangeEvent(propertyName,
<a name="152" href="#152">152</a>                 oldValue, newValue);
<a name="153" href="#153">153</a>         doFirePropertyChange(event);
<a name="154" href="#154">154</a>     }
<a name="155" href="#155">155</a> 
<a name="156" href="#156">156</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fireIndexedPropertyChange(String propertyName, <strong class="jxr_keyword">int</strong> index,
<a name="157" href="#157">157</a>             <strong class="jxr_keyword">boolean</strong> oldValue, <strong class="jxr_keyword">boolean</strong> newValue) {
<a name="158" href="#158">158</a> 
<a name="159" href="#159">159</a>         <strong class="jxr_keyword">if</strong> (oldValue != newValue) {
<a name="160" href="#160">160</a>             fireIndexedPropertyChange(propertyName, index, Boolean
<a name="161" href="#161">161</a>                     .valueOf(oldValue), Boolean.valueOf(newValue));
<a name="162" href="#162">162</a>         }
<a name="163" href="#163">163</a>     }
<a name="164" href="#164">164</a> 
<a name="165" href="#165">165</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> firePropertyChange(String propertyName, <strong class="jxr_keyword">int</strong> oldValue,
<a name="166" href="#166">166</a>             <strong class="jxr_keyword">int</strong> newValue) {
<a name="167" href="#167">167</a>         <a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a> event = createPropertyChangeEvent(propertyName,
<a name="168" href="#168">168</a>                 oldValue, newValue);
<a name="169" href="#169">169</a>         doFirePropertyChange(event);
<a name="170" href="#170">170</a>     }
<a name="171" href="#171">171</a> 
<a name="172" href="#172">172</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fireIndexedPropertyChange(String propertyName, <strong class="jxr_keyword">int</strong> index,
<a name="173" href="#173">173</a>             <strong class="jxr_keyword">int</strong> oldValue, <strong class="jxr_keyword">int</strong> newValue) {
<a name="174" href="#174">174</a> 
<a name="175" href="#175">175</a>         <strong class="jxr_keyword">if</strong> (oldValue != newValue) {
<a name="176" href="#176">176</a>             fireIndexedPropertyChange(propertyName, index,
<a name="177" href="#177">177</a>                     <strong class="jxr_keyword">new</strong> Integer(oldValue), <strong class="jxr_keyword">new</strong> Integer(newValue));
<a name="178" href="#178">178</a>         }
<a name="179" href="#179">179</a>     }
<a name="180" href="#180">180</a> 
<a name="181" href="#181">181</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> hasListeners(String propertyName) {
<a name="182" href="#182">182</a>         <strong class="jxr_keyword">boolean</strong> result = allPropertiesChangeListeners.size() &gt; 0;
<a name="183" href="#183">183</a>         <strong class="jxr_keyword">if</strong> (!result &amp;&amp; (propertyName != <strong class="jxr_keyword">null</strong>)) {
<a name="184" href="#184">184</a>             List<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em> listeners =</em>
<a name="185" href="#185">185</a>                 (List)selectedPropertiesChangeListeners.get(propertyName);
<a name="186" href="#186">186</a>             <strong class="jxr_keyword">if</strong> (listeners != <strong class="jxr_keyword">null</strong>) {
<a name="187" href="#187">187</a>                 result = listeners.size() &gt; 0;
<a name="188" href="#188">188</a>             }
<a name="189" href="#189">189</a>         }
<a name="190" href="#190">190</a>         <strong class="jxr_keyword">return</strong> result;
<a name="191" href="#191">191</a>     }
<a name="192" href="#192">192</a> 
<a name="193" href="#193">193</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> removePropertyChangeListener(
<a name="194" href="#194">194</a>             <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a> listener) {
<a name="195" href="#195">195</a>         <strong class="jxr_keyword">if</strong> (listener != <strong class="jxr_keyword">null</strong>) {
<a name="196" href="#196">196</a>             <strong class="jxr_keyword">if</strong> (listener instanceof PropertyChangeListenerProxy) {
<a name="197" href="#197">197</a>                 String name = ((PropertyChangeListenerProxy) listener)
<a name="198" href="#198">198</a>                         .getPropertyName();
<a name="199" href="#199">199</a>                 <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a> lst = (PropertyChangeListener)
<a name="200" href="#200">200</a>                         ((<a href="../../java/beans/PropertyChangeListenerProxy.html">PropertyChangeListenerProxy</a>) listener).getListener();
<a name="201" href="#201">201</a> 
<a name="202" href="#202">202</a>                 removePropertyChangeListener(name, lst);
<a name="203" href="#203">203</a>             } <strong class="jxr_keyword">else</strong> {
<a name="204" href="#204">204</a>                 allPropertiesChangeListeners.remove(listener);
<a name="205" href="#205">205</a>             }
<a name="206" href="#206">206</a>         }
<a name="207" href="#207">207</a>     }
<a name="208" href="#208">208</a> 
<a name="209" href="#209">209</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> addPropertyChangeListener(
<a name="210" href="#210">210</a>             <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a> listener) {
<a name="211" href="#211">211</a>         <strong class="jxr_keyword">if</strong> (listener != <strong class="jxr_keyword">null</strong>) {
<a name="212" href="#212">212</a>             <strong class="jxr_keyword">if</strong> (listener instanceof PropertyChangeListenerProxy) {
<a name="213" href="#213">213</a>                 String name = ((PropertyChangeListenerProxy) listener)
<a name="214" href="#214">214</a>                         .getPropertyName();
<a name="215" href="#215">215</a>                 <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a> lst = (PropertyChangeListener)
<a name="216" href="#216">216</a>                         ((<a href="../../java/beans/PropertyChangeListenerProxy.html">PropertyChangeListenerProxy</a>) listener).getListener();
<a name="217" href="#217">217</a>                 addPropertyChangeListener(name, lst);
<a name="218" href="#218">218</a>             } <strong class="jxr_keyword">else</strong> {
<a name="219" href="#219">219</a>                 allPropertiesChangeListeners.add(listener);
<a name="220" href="#220">220</a>             }
<a name="221" href="#221">221</a>         }
<a name="222" href="#222">222</a>     }
<a name="223" href="#223">223</a> 
<a name="224" href="#224">224</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a>[] getPropertyChangeListeners() {
<a name="225" href="#225">225</a>         ArrayList<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em> result =</em>
<a name="226" href="#226">226</a>                 <strong class="jxr_keyword">new</strong> ArrayList<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em>(</em>
<a name="227" href="#227">227</a>                         allPropertiesChangeListeners);
<a name="228" href="#228">228</a> 
<a name="229" href="#229">229</a>       <strong class="jxr_keyword">for</strong> (Iterator it = selectedPropertiesChangeListeners.keySet().iterator(); it.hasNext();)
<a name="230" href="#230">230</a>       {
<a name="231" href="#231">231</a>         String propertyName = (String)it.next();
<a name="232" href="#232">232</a>         List<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em> selectedListeners =</em>
<a name="233" href="#233">233</a>             (List)selectedPropertiesChangeListeners.get(propertyName);
<a name="234" href="#234">234</a> 
<a name="235" href="#235">235</a>         <strong class="jxr_keyword">if</strong> (selectedListeners != <strong class="jxr_keyword">null</strong>) {
<a name="236" href="#236">236</a>           <strong class="jxr_keyword">for</strong> (Iterator it1 = selectedListeners.iterator(); it1.hasNext();) {
<a name="237" href="#237">237</a>             <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a> listener = (PropertyChangeListener)it1.next();
<a name="238" href="#238">238</a>             result.add(<strong class="jxr_keyword">new</strong> <a href="../../java/beans/PropertyChangeListenerProxy.html">PropertyChangeListenerProxy</a>(propertyName,
<a name="239" href="#239">239</a>                 listener));
<a name="240" href="#240">240</a>           }
<a name="241" href="#241">241</a>         }
<a name="242" href="#242">242</a>       }
<a name="243" href="#243">243</a> 
<a name="244" href="#244">244</a>       <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a>[] changeListeners = <strong class="jxr_keyword">new</strong> <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a>[result.size()];
<a name="245" href="#245">245</a>       Iterator iter = result.iterator();
<a name="246" href="#246">246</a>       <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i=0; i &lt; changeListeners.length; i++) {
<a name="247" href="#247">247</a>           changeListeners[i] = (PropertyChangeListener)iter.next();
<a name="248" href="#248">248</a>       }
<a name="249" href="#249">249</a>       <strong class="jxr_keyword">return</strong> changeListeners;
<a name="250" href="#250">250</a>     }
<a name="251" href="#251">251</a> 
<a name="252" href="#252">252</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> firePropertyChange(<a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a> event) {
<a name="253" href="#253">253</a>         doFirePropertyChange(event);
<a name="254" href="#254">254</a>     }
<a name="255" href="#255">255</a> 
<a name="256" href="#256">256</a>     <strong class="jxr_keyword">private</strong> <a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a> createPropertyChangeEvent(String propertyName,
<a name="257" href="#257">257</a>             Object oldValue, Object newValue) {
<a name="258" href="#258">258</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a>(sourceBean, propertyName, oldValue,
<a name="259" href="#259">259</a>                 newValue);
<a name="260" href="#260">260</a>     }
<a name="261" href="#261">261</a> 
<a name="262" href="#262">262</a>     <strong class="jxr_keyword">private</strong> <a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a> createPropertyChangeEvent(String propertyName,
<a name="263" href="#263">263</a>             <strong class="jxr_keyword">boolean</strong> oldValue, <strong class="jxr_keyword">boolean</strong> newValue) {
<a name="264" href="#264">264</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a>(sourceBean, propertyName, Boolean.valueOf(oldValue),
<a name="265" href="#265">265</a>                 Boolean.valueOf(newValue));
<a name="266" href="#266">266</a>     }
<a name="267" href="#267">267</a> 
<a name="268" href="#268">268</a>     <strong class="jxr_keyword">private</strong> <a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a> createPropertyChangeEvent(String propertyName,
<a name="269" href="#269">269</a>             <strong class="jxr_keyword">int</strong> oldValue, <strong class="jxr_keyword">int</strong> newValue) {
<a name="270" href="#270">270</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a>(sourceBean, propertyName, <strong class="jxr_keyword">new</strong> Integer(oldValue),
<a name="271" href="#271">271</a>                 <strong class="jxr_keyword">new</strong> Integer(newValue));
<a name="272" href="#272">272</a>     }
<a name="273" href="#273">273</a> 
<a name="274" href="#274">274</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> doFirePropertyChange(<a href="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</a> event) {
<a name="275" href="#275">275</a>         String propertyName = event.getPropertyName();
<a name="276" href="#276">276</a>         Object oldValue = event.getOldValue();
<a name="277" href="#277">277</a>         Object newValue = event.getNewValue();
<a name="278" href="#278">278</a> 
<a name="279" href="#279">279</a>         <strong class="jxr_keyword">if</strong> ((newValue != <strong class="jxr_keyword">null</strong>) &amp;&amp; (oldValue != <strong class="jxr_keyword">null</strong>)
<a name="280" href="#280">280</a>                 &amp;&amp; newValue.equals(oldValue)) {
<a name="281" href="#281">281</a>             <strong class="jxr_keyword">return</strong>;
<a name="282" href="#282">282</a>         }
<a name="283" href="#283">283</a> 
<a name="284" href="#284">284</a>         <em class="jxr_comment">/*</em>
<a name="285" href="#285">285</a> <em class="jxr_comment">         * Copy the listeners collections so they can be modified while we fire</em>
<a name="286" href="#286">286</a> <em class="jxr_comment">         * events.</em>
<a name="287" href="#287">287</a> <em class="jxr_comment">         */</em>
<a name="288" href="#288">288</a>         List allListeners = <strong class="jxr_keyword">new</strong> ArrayList();
<a name="289" href="#289">289</a> 
<a name="290" href="#290">290</a>         <em class="jxr_comment">// Listeners to all property change events</em>
<a name="291" href="#291">291</a>         allListeners.addAll(allPropertiesChangeListeners);
<a name="292" href="#292">292</a> 
<a name="293" href="#293">293</a>         <em class="jxr_comment">// Listens to a given property change</em>
<a name="294" href="#294">294</a>         List<em class="jxr_comment">/*<em class="jxr_comment">&lt;PropertyChangeListener&gt;*/</em> listeners =</em>
<a name="295" href="#295">295</a>             (List)selectedPropertiesChangeListeners.get(propertyName);
<a name="296" href="#296">296</a>         <strong class="jxr_keyword">if</strong> (listeners != <strong class="jxr_keyword">null</strong>) {
<a name="297" href="#297">297</a>             allListeners.addAll(listeners);
<a name="298" href="#298">298</a>         }
<a name="299" href="#299">299</a> 
<a name="300" href="#300">300</a>         <em class="jxr_comment">// Fire the listeners</em>
<a name="301" href="#301">301</a>         <strong class="jxr_keyword">for</strong> (Iterator iter = allListeners.iterator(); iter.hasNext();) {
<a name="302" href="#302">302</a>             <a href="../../java/beans/PropertyChangeListener.html">PropertyChangeListener</a> listener = (PropertyChangeListener)iter.next();
<a name="303" href="#303">303</a>             listener.propertyChange(event);
<a name="304" href="#304">304</a>         }
<a name="305" href="#305">305</a>     }
<a name="306" href="#306">306</a> }
</pre>
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